This book is the continuation of the volume “Langgräben und Schlüssellochgräben der jüngeren Bronze- und frühen Eisenzeit zwischen Aller und Dordogne” [MAN 38, 2009] on the basis of new discoveries, completed excavation analyses and a deepening and completion of the results presented at that time. It contains two forewords with introduction, nomenclature, distribution pattern and abbreviations as well as twelve papers. These deal with scales and maps [Niemuth], the keyhole shaped ditches of Schellerten [Düvel], longbeds on the Nöschkenheide [Soetebeer, Friedrichs], keyhole shaped ditches from Petershagen [Bérenger], the history of research on cemeteries at Cologne-Dellbrück and Troisdorf-Altenrath [both Jürgens], of longbeds up to the Middle Bronze